Gooberking
FGC Cannon Fodder
Sounds like they are just using Amazon's servers for networking instead of Steams so they have one server source. Maybe it's better for solving "what if I bought it on Epic, or some other storefront" scenarios too. When Steam isn't the only place to buy a game, have each storefront have their own servers is like needing to figure out how to make crossplay work inside of a single platform.
steamcommunity.com

Regarding the Amazon Web Services label :: GUILTY GEAR -STRIVE- General Discussions
There seems to be some confusion going around so just to clarify. It basically just means you will be accessing our other servers instead of Steam servers for online gameplay. There's linking with Steam account already done, so all an end-user needs to do is just to enter a new Profile Name at...